Enhance the two-finger donut shifting gesture by providing a way to reference or return to the original starting position of a clip after it has been shifted.

Once a clip has been shifted using the two-finger gesture, there's currently no visual or functional way to reference or return to its original starting point. This can lead to confusion or imprecision, especially in complex arrangements or live performance situations.

— Add a visual marker to show the before the donut was shifted

— Add two modes for donut shifting:

• – Allows smooth, unrestricted offset adjustments

• – Adds a gesture/action to return to the original starting position

— Add a to snap back to the original start time of a clip

✅ Increases workflow precision by making the original clip start position recoverable

✅ Makes live editing more forgiving and reversible

✅ Offers both flexibility and control with free vs. snap-back shifting modes

✅ Aligns with existing UI paradigms by extending gesture-based control